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cross sectional

Differences between age groups would cause the most serious problems for which developmental research method


If a person has one gene for cystic fibrosis but does not have the disease, cystic fibrosis must be a________ disorder


In _____ syndrome, the twenty-third pair of chromosomes is missing an X, resulting in short, infertile females

Two eggs get fertilized by two different sperm

Which one of the following represents dizygotic twins


The spongelike organ that provides nourishment for the growing baby and filters away waste products is called the

embryonic period

the critical period for pregnancy is the

drank alcohol

Mary's baby was born with a smaller than normal head, some facial malformations, and is mentally retarted. Mary most likely_______- during her early pregnancy

The child may become immune to the diseases

which of the following is not a risk associated with failing to have a childimmunized


in the _____ reflex, the baby moves its head toward any light touch to its face


which of the newborns senses is the most fully deleloped at birth

6 months

At what age can the typical infant sit without support


By age 5, the brain is at _____ percent of its adult weight

concrete operational

In which of Piaget's stages does the child become capable of understanding conversation


According to Vygotsky, giving a child help in the form of asking lead questions and providing examples is called

control strategies

As children grow from the preschool yrs into middle childhood the big changes in the capacity of short term memory are most likely due to an increase of

a holophrase

Little Kashif held his cup up to his mother ans said."MILK" his use of words is labled

industry vs inferiority

In eriksons crisis of _____ children are developing a sense of competence and self esteem

identity vs role confusion

Eriksons fifth stage of psychological development is


vision and hearing begin to decline in the


A decline in testosterone in the forties is called

generativity vs stagnation

The crisis of middle adulthood, according to erikson is


Rebellion in teenage years is most likely the outcome of ______ parenting

wear and tear

Collagen, an elastic tissue that becomes less elastic as we get older, is a good example of the____theory af aging.


According to Kubler-Ross when bargaining fails _____ usually results.

the symptoms are similar to children

which of the following statements about adult ADHD is TRUE

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